Recent quotes:

Wall Street firms led by Goldman Sachs Group Inc are close to buying a stake in chat and instant messaging startup Perzo Inc in pursuit of an alternative to a similar application from Bloomberg LP, sources familiar with Goldman's plans said.
Banks are trying to cut costs as sluggish trading volumes and higher regulation weigh on revenues. Bloomberg has dominated messaging on Wall Street for years, but its application is part of a data, trading and news terminal that costs about $20,000 a year. The Perzo applications are free.